241 results about "Program calculation" patented technology

Many business problems involve too many complex and interacting variables for a person to solve them, unassisted. Linear programming, statistical and probability analyses provide effective tools for solving such problems, but until now, use of these tools has not been practical for persons without extensive mathematical training. The present invention provides an understandable user interface to these tools, enabling even mathematically unsophisticated users to effectively solve complex problems. The invention also incorporates sensitivity analyses, thereby permitting the user to explore how changes in input data would affect the results of the program calculations. In addition to a data-input program module, respective program modules are disclosed for managing a company product line, a securities portfolio, and a short-selling portfolio.

A computer software program is described that maps the electrical activity of a patient's heart. The software program utilizes inputs from electrodes contained within a heart chamber. Inputs from the electrodes cause the program to calculate the heart chamber volume, and then to determine the position of the electrodes within the heart chamber. The program then utilizes inputs from the electrodes to calculate the three-dimensional volumetric electrical field distribution of said heart chamber. This calculation is accomplished using a spherical harmonic series expression. Finally, the computer program displays the electrical field distribution of the heart chamber.

An objective video quality estimation technique is disclosed. The technique may be based on a video bitstream model, using parameters taken from the video coding layer of the bitstream for estimating the quality of the video. The technique can be implemented as a method, a computer program, a computer program product, a device, or any one of a server node, a client terminal and a network node comprising the device. As a method embodiment, the technique comprises receiving a video bitstream comprising a series of picture frames; determining an error occurrence in a picture frame of the video bitstream; determining at least one of a temporal propagation and a spatial propagation of the error; and estimating the quality of the video bitstream based on result of the determination.

According to the present invention, even when any one of the computers constituting a computer system becomes inoperable, a series of flow of distributed processing can be traced. Application program 120 in computer 100A requests computer 100B to perform a part of the series of the processes (S106). Log information items in the computer 100A, to which an ID issued to a series of processes is attached, are transmitted to the computer 100B by the log transmission program 152 in the computer 100A (S110). The log information receiving program 153 of the computer 100B receives these log information items and stores them in logbuffer 160 (S221, S222). The application program 120 in the computer 100B executes thus requested processing, and returns the process result to the computer 100A (S206). The log information items of the computer 100B each having the above ID, generated by executing the processing, are transmitted to the computer 100A by the log transmission program 152 of the computer 100B (S210) , and the log information receiving program 153 of the computer 100A receives this log information items and stores them in the log buffer 160 (S121, S222).

The invention relates to a seasoning adding control system. A setting device sets a current processed dish and a required flavor and sends information to a control device, the control device acquires a seasoning ratio matched with the dish and the flavor by means of program calculation, a sensing device sends signals to the control device after sensing a cooking spoon put by a cook, the control device sends control instructions to the seasoning adding device, the seasoning adding device adds seasonings according to the seasoning ratio, and seasoning adding time, types and quantities can be controlled automatically. The invention further provides the seasoning adding device with the control system. The seasoning adding control system and the seasoning adding device have the advantages that dish processing efficiency can be improved evidently, time cost is reduced for catering enterprises, and competitiveness is promoted.

The invention relates to the field of exploration and development of oil and gas fields, in particular to a fracture fractal characteristic optimization computation method. After datamation of a facture zone, parameters of statistical boxes are defined by setting boundary parameters and initial positions, the statistical boxes are moved constantly through program writing, fractal dimension values of the positions where the statistical boxes are located are calculated, and therefore programmed calculation of fracture fractal characteristics is realized. The fracture fractal characteristic optimization computation method has high practical value on the aspects of fracture fractal characteristic quantitative evaluation, fracture fractal characteristic quantitative description and the like, is low in prediction cost and high in operability, and greatly reduces the expense of manpower; evaluation results have certain guiding significance in the aspects of predicting the distribution characteristics of oil and gas exploration and development key areas, fracture dominant distribution areas and low-level-sequence faults and the like.

The invention discloses a distributed parallel Skyline inquiring method based on a cloud computing environment, aiming at effectively preventing a node failure from influencing inquiring and processing processes of the distributed parallel Skyline. The technical proposal comprises the steps as follows: firstly, the clouding computing environment which consists of a portal node and N computer nodes is constructed, wherein a task management program and a result recovery program are arranged on the portal node, an inquire processing program and a fault processing program are arranged on the computer nodes; the portal node executes the task management program and transfers the Skyline inquiring request to each computer node; each computer node executes the inquire processing program and implements Skyline inquire processing; each computer node executes the fault processing program, and periodically detects and repairs the fault for the neighbor nodes; the portal node executes the result recovery program, collects a Skyline set of all the computer nodes, gathers the Skyline set and returns the Skyline set to users. By adopting the invention, the influences to the inquire processing process of the distributed parallel Skyline caused by the node failure can be effectively controlled, and high efficiency, reliability and accuracy of the Skyline inquire processing can be guaranteed.

The invention discloses a spray character test method and device of continuous casting two-cold-sprayer, which comprise the following steps: 1. the moving sprayer sprays water through the water-spray quality sensor and water-spray bunch pressure sensor on the downward moving gathering point; 2. the water-spray quality sensor and water-spray bunch pressure sensor transmits the real-time gathered spray quantity and increment and spray bunch pressure value to the computer; 3. the computer calculates the flow density value and bunch pressure value according to the setting parameter and program, which generates the distribution graph of spray flow density and bunch pressure. The entire course can be controlled by computer automatically, which improves the automatic degree greatly to finish the test by one person. The test result can be printed at the report pattern, which displays the distribution graph of spray flow density and bunch pressure.

The invention discloses a method for calculating the height of pre-pressed soil based on actually measured sedimentation data. The method is established over calculation of foundation average concreting degree through a Gaomujunjie method. Various parameters are obtained by calculating the actually measured sedimentation data. The method comprises the following steps of: firstly, calculating the foundation concreting degree under an instantaneous loading condition through the actually measured sedimentation data; then, calculating concreting coefficients by operating a least square method through the foundation concreting degree under the instantaneous loading condition; and finally, calculating the pre-pressed height by calculating the foundation average concreting degree according to the Gaomujunjie method. Compared with the traditional method for determining pre-pressed height, the method disclosed by the invention has the advantages that: various calculation parameters are obtained through the actually measured sedimentation data and closer to engineering practice; the method is capable of calculating the height of the pre-pressed soil in the section according to various observation section sedimentation data so that the method has strong pertinence; simultaneously, programming calculation of software, such as MATLAB and the like, can be carried out; and the data is simpleand convenient to process and convenient to popularize and apply.

The invention relates to an opening degree control method of a side guide plate of a heavy plate mill. The opening degree of a side guide plate before rolling is preset according to a rolling method code RS and the size of a plate blank so that the opening degree of the side guide plate before the rolling is preset to a proper position; as for the plate blanks with RS=0, 3 and 4, the preset opening degree of the side guide plate before the rolling is determined according to the width of the plate blanks; as for the plate blanks with RS=1 and 2, the opening degree of the side guide plate before the rolling is set according to the length and the width of the plate blanks; and the opening degree of the side guide plate during the rolling is set according to the length and the width of a steel plate at the time of steel rotation. The opening degree control method solves the problem that the opening degree of the side guide plate influences the rolling speed and sets the opening degree of the side guide plate with the assistance of program calculation; and during the rolling, the side guide plate does not need man adjustment, thereby improving the rolling speed and increasing the productivity of the mill. The production time of each steel plate can be reduced by over 15 s, and the productivity of the mill can be improved by 7 percent.

The invention discloses a Matlab-based vehicle performance simulation and calculation method for an automobile. The method comprises a first step of program calculation, a second step of file configuration, a third step of curve display, a fourth step of data display, a fifth step of data saving and a sixth step of report generation. The method is used for calculating vehicle basic performance data of the automobile and provides a basic theoretical basis for vehicle performance analysis and simulation of the automobile. When the method is applied to a new energy automobile, vehicle parameters of the automobile can be calculated through a Matlab, parameters of all parts of the whole automobile are input into software, the vehicle performance of the automobile is simulated and calculated through a program, the vehicle performance of the automobile can be calculated just through a computer without the need for a real automobile, specific professional knowledge does not need to be grasped, and therefore a large amount of time is saved.

The invention discloses a constant error calibration method of a fiber-optic gyroscope based on a double-calculation program. The method utilizes a rotating mechanism to drive inertia components to rotate to six positions of each axis gyroscope in the forward direction and reversed direction of Z-axis of a navigation system respectively, wherein during the stay process of each position, measure values of a group of the inertia components are simultaneously served as input values of two groups of navigation calculation programs, and the navigation parameter setpoint values of the two groups of programs are different. Then the two groups of calculation posture information are further coupled and calculated, and constant drift and scale factor error of each axis gyroscope is estimated. The invention provides the scheme that measure values of one group of the inertia components are used as input in a navigation computer, the two groups of navigation program calculation are performed simultaneously, and the two groups of calculation results are utilized to further estimate the device error; no external criteria information is required, the calculation amount is small, and the operation is simple and easy; and the two groups of navigation calculation programs have same input information, no installation deviation and time delay exist, and output information has relativity.

The invention discloses a water turbine speed regulator embedded control object model simulation method. A water turbine model, a generator model and a fault diagnosis module are embedded in a water turbine speed regulator; through acquiring basic parameters of an actual controlled water turbine and a generator set, the water turbine model and the generator model are respectively abstracted into Laplace transfer function expressions; differential discrete transformation of the Laplace transfer function expressions is carried out for program calculation, water turbine guide vane relay feedbackis acquired to input to the water turbine model, output of the water turbine model is inputted to the generator model, the generator rotation speed and the active power output are calculated; the generator rotation speed and an active power signal are fed back to an actual speed regulator cabinet, and rotation speed and power closed loop control on a speed regulation system is realized. The methodis advantaged in that the method is independent from external simulation equipment, the simulation test and fault diagnosis of the speed regulation system can be realized through utilizing self resources of the speed regulator, and factory test integrity of the speed regulator equipment is improved.

The invention relates to an automatic detection and early warning system for a numerical control machine tool and the operation method of the automatic detection and early warning system. The automatic detection and early warning system comprises an input unit, a transmission unit, an analysis and calculation unit, a coordinate detection unit, a coordinate comparison unit and an alarm unit. The input unit is used for reading a processing program into a machine tool, andconverting the processing program into a readable analog signal. The analysis and calculation unit is used for reading the processing program, andcalculating a theoretical coordinate value. The transmission unit is used for driving the mechanical part of the machine tool to move through the readable analog signal. The coordinate detection unit is used for detecting the actual coordinate value of the mechanical part of the machine tool in real time. The coordinate comparison unit is used for comparing the theoretical coordinate value with the actual coordinate value. If the difference value between the theoretical coordinate value and the actual coordinate valueis within the range of a threshold value A, the numericalcontrol machine tool works normally. Otherwise, the alarm unit is started to give an alarm. According to the invention, the program data can be analyzed in advance when the system works normally. Theon-line real-time detection is carried out, and the machining state is monitored in real time. The tool damage of the numerical control machine tool can be effectively prevented, and the operation safety and the operation reliability are improved.

The invention discloses a method for optimizing a low-permeability reservoir intermittent mining working system based on a model coupling exhaustion method. Aiming at the input and output characteristics of a low-permeability and low-yield well, through the combination of the flow-in dynamic characteristics of the low-permeability reservoir, the liquid level change rule of an intermittent mining well shaft and the pump efficiency analysis, and based on the relation between the stratum liquid supply capacity and the pumping and suction capacity, a stratum flow-in dynamic model and a well shaftoutflow dynamic model are established, a coupling model is established through the coupling parameters of the bottom flow pressure and the pump efficiency, a computer solution model is established onthis basis, and the optimization of the low-permeability reservoir intermittent mining working system determination method is carried out by means of an exhaustion method. The method can accurately describe the low-permeability reservoir seepage law, realizes the real-time dynamic changes of the bottom flow pressure and the pump efficiency during the intermittent mining, and realizes the accuratequantified intermittent mining limit. The exhaustion method has better optimization precision, and the program calculation efficiency is high.

The invention relates to a double-flexible-cable-driven glass curtain wall cleaning robot used for cleaning glass curtain walls of low-rise and mid-rise buildings. A double-cable driving mechanism in a double-cable driving mode realizes cable winding and unwinding by depending on friction between cables and rollers, then driving rollers are driven to rotate through roller driving motors, and the cleaning robot moves in a cleaning plane by depending on coordinated winding and unwinding of the double cables. A deflection angle detecting mechanism is used for detecting an included angle between each cable and a guide sliding rod and then feeding the included angles back to a single chip microcomputer, and needed running speed and revolution number of the roller driving motors are worked out through program calculation, so that the two roller driving motors can move in a coordinated manner, the cleaning robot is enabled to reach the target position along a straight track more accurately, movement distance is shortened, and rapidness and accuracy are improved. By the combination of the double-cable driving mechanism and the deflection angle detecting mechanism, the cleaning robot can move at optional positions in the cleaning plane and can be adjusted rapidly, and thereby cleaning efficiency is improved.

The invention relates to water heaters, in particular to a solar water heater, an electric water heater, a heat pump water heater and a programming method thereof. 1 to 60 first liner temperature sensors are arranged in positions of a water heater liner, and one first liner temperature sensor can be arranged at the top of the liner. An income water temperature sensor is arranged in a water income pipe of the liner according to two arrangement schemes; according to the first arrangement scheme, a first flow sensor is arranged in the water income pipe or water drainage pipe of the liner; according to the second arrangement scheme, a pipe is connected to the water income pipe to connect an electric flow adjusting valve to the water drainage pipe and is connected to the second flow sensor; the flow sensors can be Hall flow sensors or infrared flow sensors and used for measuring the water income or drainage flow and transmitting electric signal data to a single chip, the temperature signals of each temperature sensor can be transmitted to the single chip, calculation is performed according to the program calculating method, a hot water bathing time T is acquired and is displayed on a display screen, and the time for the remaining hot water for bathing in the water heater can be accurately calculated and displayed.

A computer-readable recording medium has stored therein a program for causing a computer to execute a test supporting process. The computer supports testing of a series of tasks related to system administration of a system. The test supporting process includes acquiring, by the computer, input data concerning a given task that is among the series of tasks and operates a given device included in the system; retrieving, by the computer, execution history data concerning the given task, from a storage device that associates and stores therein execution history data including input data and output data of each task that has been executed in the system, and identification information of the tasks; and outputting, by the computer and from among the retrieved execution history data, the output data included in the execution history data that includes the acquired input data of the given task.

The invention relates to a turbine blade on-line damage state evaluating system and a turbine blade service life evaluating method, and belongs to the technical field of turbine operation state monitoring and blade service life evaluation. According to the turbine blade on-line damage state evaluating system and the turbine blade service life evaluating method, the problems that blade on-line service life evaluation is not accurate when the operation state of a turbine is monitored and evaluated, and high-cycle fatigue and low-cycle fatigue of high-temperature blades, and water erosion, scaling and abrasion of low-temperature blades cannot be evaluated in real time; temperature signals, pressure signals and load signals of each blade of the turbine collected by a power plant are utilized,a service life evaluation module is developed based on the operation state of the blades of each stage of the turbine, high-and-low-cycle fatigue loss amount, water erosion pit depth, scaling amountand abrasion amount of the turbine blades are obtained through program calculation correspondingly, and the damage degree of the blades can be monitored on line in real time so as to timely obtain thedamage state of the blades in the operation process; and the system and the method are suitable for evaluating the service life of the turbine blades.

The invention relates to a PWM current transformer DC support capacitor residual service life online monitoring system and a method. The system comprises a control hardware framework and a software framework, wherein hardware system framework main functions comprise voltage and current signal acquisition, control system PWM output, system protection actions, core algorithm operation, and so on; asoftware architecture comprises a program calculation flow, a capacitor parameter core algorithm and upper computer communication interface design. The online monitoring system is suitable for residual service life monitoring of most of AC-DC-AC current transformer system middle DC side support capacitors, and has no need of adding sensors, has no change in system normal operating state, and has actually measured accuracy error of less than 5%.

The invention discloses a fire fighting lane occupation abnormal object detection method based on an inter-frame difference method. The method comprises the following steps: acquiring a grayscale image of a picture in a fire fighting lane occupation detection area in a normal state as a base image; and then, sequentially acquiring a camera video frame, comparing the camera video frame with the base image, acquiring a foreground object shape by utilizing an inter-frame difference method, acquiring the minimum outer frame coordinate of the object according to morphology, and performing abnormalobject detection and abnormal condition report judgment in the fire-fighting lane occupation detection area according to the acquired minimum outer frame and fire-fighting lane occupation detection information base. The fire fighting lane occupation abnormal object detection method based on the inter-frame difference method is simple in algorithm implementation, low in program calculation complexity, high in operation speed and insensitive to scene light change, and the detection accuracy can be improved. The fire fighting lane occupation abnormal object detection method based on the inter-frame difference method has the advantages of being simple in algorithm implementation, low in calculation complexity and high in operation speed.

The invention discloses a prediction method for residual stress and damage caused by stress relaxation of a high-temperature material. The predication method mainly comprises the following steps: based on two creep deformation damage models and a stress relaxation strain model, establishing a corresponding stress relaxation continuous damage model; acquiring the material creep deformation performance data of a high-temperature component material at a temperature; based on the creep deformation performance data, fitting out corresponding material constants corresponding to the two creep deformation damage models; and by employing a data analysis technology and through program calculation, solving the stress relaxation continuous damage model, and finally converting the creep deformation data into stress relaxation data, so as to obtain a stress relaxation curve and a stress relaxation damage cure, and further to predict the residual stress and the damage degree caused by the stress relaxation of the high-temperature material. According to the method, the precise association of obtaining the relaxation behavior from the creep deformation data is established, and the complete prediction method for residual stress and damage caused by stress relaxation of the high-temperature is established, and a new approach is provided for stress relaxation strength design and management maintenance of high-temperature components.

Provided is a sub-channel analysis method combining resistance and energy distribution and containing a grillwork mixing effect. The method comprises the steps of fitting a momentum source term relational expression and an energy source term relational expression which can reflect mixing performance of mixing grillwork key components by collecting experimental data of multiple mixing grillworks including a nuclear reactor core mixing grillwork to be analyzed under different working conditions, adding the momentum source term relational expression to a corresponding momentum conservation equation, and adding the energy source term relational expression to a corresponding energy conservation equation; obtaining more precise local thermal hydraulic parameters in a nuclear reactor core by solving a mass conservation equation, the momentum conservation equation and the energy conservation equation, and accordingly making the prediction of a critical heat flux(CHF) value and a CHF position more accurate. The sub-channel analysis method combining resistance and energy distribution and containing the grillwork mixing effect is not limited by a sub-channel program structure and solving method, can be widely applied to various types of sub-channel program calculation, and is mainly applied to a sub-channel program of a two-fluid model.

The invention discloses a method of measuring an aircraft actual attack angle value in a wind tunnel experiment, comprising: collecting a zero point voltage value and other attack angle voltage value corresponding to the zero DEG attack angle value and the non-zero DEG attack angle value of a platform installed on an attack angle mechanism; subtracting the zero point voltage value from the attack angle voltage value corresponding to each non-zero DEG attack angle value to obtain a plurality of adjusted attack angle voltage values; utilizing the adjusted attack angle voltage values and attack angle values to establish a base curve; adjusting the attack angle of an aircraft to be measured to be zero DEG, and obtaining the curve between the actual attack angle value of the aircraft to be measured and an attack angle voltage value according to the preset angle of the aircraft to be measured and the base curve; and according to the measured attack angle voltage value and the curve between the actual attack angle value and the attack angle voltage value, obtaining the actual attack angle value of the aircraft to be measured. The method can substantially reduce operation personnel workload, improve work efficiency, reduce an error rate, enhance the program applicability to different models, and obtain a model preset angle through program calculation.

Image data is transmitted from an image input apparatus to an information processing apparatus. Specific information (e.g., photographing information) that specifies the image data, and identification information (e.g., a disk name) that identifies an optical disk on which the image data is recorded, are added to the image data. Further, the specific information and the identification information are stored in a storage device. Subsequently, specific information that matches with an input keyword is searched from the specific information stored in the storage device. Then, the searched specific information and the identification information corresponding to the searched specific information are displayed in a list on a display. By performing a keyword adding process and an image searching process, the optical disk containing desired image data can be easily specified. Therefore, desired image data recorded on the optical disk can be easily searched.